Gauge-flation trajectories in chromo-natural inflation

Adshead, Peter; Wyman, Mark

doi:10.1103/PhysRevD.86.043530

Title: Gauge-flation trajectories in chromo-natural inflation

Full Record
Other Related Research

Authors:: Adshead, Peter; Wyman, Mark

Publication Date:: 2012-08-28

Sponsoring Org.:: USDOE

OSTI Identifier:: 1103201

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Physical Review D

Additional Journal Information:: Journal Volume: 86; Journal Issue: 4; Journal ID: ISSN 1550-7998

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Citation Formats


                    Adshead, Peter, and Wyman, Mark. Gauge-flation trajectories in chromo-natural inflation.  United States: N. p., 2012. 
Web.  doi:10.1103/PhysRevD.86.043530.

Copy to clipboard


                    Adshead, Peter, & Wyman, Mark. Gauge-flation trajectories in chromo-natural inflation.  United States.  https://doi.org/10.1103/PhysRevD.86.043530

Copy to clipboard


                    Adshead, Peter, and Wyman, Mark. Tue .  
"Gauge-flation trajectories in chromo-natural inflation".  United States.  https://doi.org/10.1103/PhysRevD.86.043530.

Copy to clipboard


                    
@article{osti_1103201,

  title        = {Gauge-flation trajectories in chromo-natural inflation},

  author       = {Adshead, Peter and Wyman, Mark},

  abstractNote = {},

  doi          = {10.1103/PhysRevD.86.043530},

  journal      = {Physical Review D},

  number       = 4,

  volume       = 86,

  place        = {United States},

  year         = {2012},

  month        = {8}

}

Copy to clipboard

Journal Article:

Free Publicly Available Full Text

Accepted Manuscript (Publisher)

Publisher's Version of Record
https://doi.org/10.1103/PhysRevD.86.043530

Other availability

Search WorldCat to find libraries that may hold this journal

Citation Metrics:

Cited by: 26 works

Citation information provided by
Web of Science

Save / Share:

Export Metadata

Save to My Library

Similar Records in DOE PAGES and OSTI.GOV collections:

Nonlinear perturbations from the coupling of the inflaton to a non-Abelian gauge field, with a focus on Chromo-Natural Inflation

Journal Article Papageorgiou, Alexandros ; Peloso, Marco ; Unal, Caner - Journal of Cosmology and Astroparticle Physics

Not provided.
https://doi.org/10.1088/1475-7516/2018/09/030
Low-energy effective field theory for chromo-natural inflation

Journal Article Dimastrogiovanni, Emanuela ; Fasiello, Matteo ; Tolley, Andrew J., E-mail: emanuela1573@gmail.com, E-mail: mrf65@case.edu, E-mail: andrew.j.tolley@case.edu - Journal of Cosmology and Astroparticle Physics

Chromo-natural inflation is a novel model of inflation which relies on the existence of non-abelian gauge fields interacting with an axion. In its simplest realization, an SU(2) gauge field is assumed to begin inflation in a rotationally invariant VEV. The dynamics of the gauge fields significantly modifies the equations of motion for the axion, providing an additional damping term that supports slow-roll inflation, without the need to fine tune the axion decay constant. We demonstrate that in an appropriate slow-roll limit it is possible to integrate out the massive gauge field fluctuations whilst still maintaining the nontrivial modifications of themore »« less
https://doi.org/10.1088/1475-7516/2013/02/046
Stability analysis of chromo-natural inflation and possible evasion of Lyth’s bound

Journal Article Dimastrogiovanni, Emanuela ; Peloso, Marco - Physical Review D
Cited by 37
https://doi.org/10.1103/PhysRevD.87.103501
Higgsed Chromo-Natural Inflation

Journal Article Adshead, Peter ; Martinec, Emil ; Sfakianakis, Evangelos I. ; ... - Journal of High Energy Physics (Online)

We demonstrate that Chromo-Natural Inflation can be made consistent with observational data if the SU(2) gauge symmetry is spontaneously broken. Working in the Stueckelberg limit, we show that isocurvature is negligible, and the resulting adiabatic fluctuations can match current observational constraints. Observable levels of chirally-polarized gravitational radiation (r ~ 10^-3) can be produced while the evolution of all background fields is sub-Planckian. The gravitational wave spectrum is ampli ed via linear mixing with the gauge field fluctuations, and its amplitude is not simply set by the Hubble rate during in inflation. This allows observable gravitational waves to be produced formore »« less
Cited by 5
https://doi.org/10.1007/JHEP12(2016)137

Full Text Available
Trajectories with suppressed tensor-to-scalar ratio in Aligned Natural Inflation

Journal Article Peloso, Marco ; Unal, Caner - Journal of Cosmology and Astroparticle Physics

In Aligned Natural Inflation, an alignment between different potential terms produces an inflaton excursion greater than the axion scales in the potential. We show that, starting from a general potential of two axions with two aligned potential terms, the effective theory for the resulting light direction is characterized by four parameters: an effective potential scale, an effective axion constant, and two extra parameters (related to ratios of the axion scales and the potential scales in the 2−field theory). For all choices of these extra parameters, the model can support inflation along valleys (in the 2−field space) that end in minimamore »« less
https://doi.org/10.1088/1475-7516/2015/06/040

Similar Records